CN107444128A - The monitoring interlock process system and monitoring and interlocking treatment method of a kind of electric automobile whole high-tension cable connection status - Google Patents
The monitoring interlock process system and monitoring and interlocking treatment method of a kind of electric automobile whole high-tension cable connection status Download PDFInfo
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- CN107444128A CN107444128A CN201710595859.5A CN201710595859A CN107444128A CN 107444128 A CN107444128 A CN 107444128A CN 201710595859 A CN201710595859 A CN 201710595859A CN 107444128 A CN107444128 A CN 107444128A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The monitoring interlock process system and monitoring and interlocking treatment method of a kind of electric automobile whole high-tension cable connection status, dynamic battery system, charging system, drive system, accessory system and the PDU high-voltage cages of vehicle high-tension cable connection, the PACK batteries in electrokinetic cell system pass through the connection status monitoring point that one group of electrokinetic cell high-voltage interlocking connector connects electrokinetic cell system high-tension cable；Drive system connects the connection status monitoring point of drive system high-tension cable also by one group of drive system high-voltage interlocking connector；Charging system connects the connection status monitoring point of charging system high-tension cable also by one group of charging system high-voltage interlocking connector；Accessory system connects the connection status monitoring point of accessory system high-tension cable also by one group of accessory system high-voltage interlocking connector；One control unit detects the voltage signal state of each monitoring point by connecting the connection status monitoring point of described electrokinetic cell system high-tension cable in real time.
Description
Technical field
The present invention relates to a kind of monitoring interlock process system of electric automobile whole high-tension cable connection status and prison
Survey and interlocking treatment method, belong to electric automobile whole high-tension cable secure connection and monitoring technical field.
Background technology
High-voltage safety is the important step of electric automobile design, and the power cable of each high voltage component of each system of electric automobile connects
Connecing state needs monitoring in real time, should be alarmed in advance when power cable will be disengaged from high voltage electric equipment, it is ensured that traffic safety.
At present, electric automobile design still lacks the detection method and respective handling mechanism of complete high pressure connection status, and driving lacks height
The electric automobile of pressure monitoring has very big potential safety hazard；
At present, most electric automobiles are all to judge high pressure connecting fault and each by detecting the magnitude of voltage of each high voltage component in real time
The working condition of part, and the alarm of high pressure connecting fault that each part is sent all be system or high-tension apparatus on forceful electric power with
Afterwards, it can not accomplish to give warning in advance, and band can not be avoided to carry and disconnected, be driven to electric automobile and bring very big potential safety hazard.In addition,
Prior art can not accurate judgement occur high pressure connecting fault position, brought not to vehicle maintenance and breakdown judge
Just.
The content of the invention
It is an object of the invention to overcome the shortcomings of the prior art, and it is reasonable to provide a kind of structure composition, user
It can lean on, by selecting high-voltage interlocking connector, the rational monitoring circuit of matching design, monitoring electric automobile whole in real time is respectively
The connection status of system high-tension cable, it is ensured that electric automobile whole high-tension cable connection safety, improve electric automobile whole security
The monitoring interlock process system and monitoring and interlocking treatment method of the electric automobile whole high-tension cable connection status of energy.
The purpose of the present invention is completed by following technical solution, and a kind of electric automobile whole high-tension cable connects shape
The monitoring interlock process system of state, the dynamic battery system of described vehicle high-tension cable connection, charging system, drivetrain
System, accessory system and the PDU high-voltage cages as vehicle high voltage power distribution unit, the PACK batteries in the electrokinetic cell system lead to
Cross the connection status monitoring point of one group of electrokinetic cell high-voltage interlocking connector connection electrokinetic cell system high-tension cable；
Described drive system includes the electric machine controller MCU of the power conversion unit as electric automobile and as drive system
The motor Motor of executing agency, described drive system are driven also by one group of drive system high-voltage interlocking connector connection
The connection status monitoring point of dynamic system high pressure cable；
Described charging system is included as the vehicle fast charge socket of electric automobile and ground fast charge equipment docking port, conduct
The vehicle-mounted trickle charge equipment of electric automobile and the vehicle trickle charge socket and conduct electric automobile of land-based AC charge power supply docking port are slow
The Vehicular charger OBC of vehicle-mounted charging equipment is filled, described charging system is also by one group of charging system high-voltage interlocking connector
Connect the connection status monitoring point of charging system high-tension cable；
Described accessory system includes power accumulator high-tension electricity being converted to the DC/DC converters of vehicle low tension, comprising electricity
The AC air-conditionings of engine-driven air compressor and the ptc heater in the air-conditioning system heating source of electric automobile, described accessory system
The connection status monitoring point of accessory system high-tension cable is connected also by one group of accessory system high-voltage interlocking connector；
One control unit is by connecting connection status monitoring point, the drive system high pressure of described electrokinetic cell system high-tension cable
The company of the connection status monitoring point of cable, the connection status monitoring point of charging system high-tension cable and accessory system high-tension cable
Status monitoring point is connect, detects the voltage signal state of each monitoring point in real time.
As preferred：Two are connected with anode high-tension cable between described PACK batteries and PDU high-voltage cages
The high-voltage interlocking connector at battery-end and high-voltage cage end is each positioned at, the battery between the PACK batteries and PDU high-voltage cages is born
Also two high-voltage interlocking connectors for being each positioned at battery-end and high-voltage cage end are connected with extra high voltage cable, and are located at high-voltage cage end
The series connection of two high-voltage interlocking connectors after be connected to the connection status monitoring point of electrokinetic cell system high-tension cable；
Described electric machine controller MCU be respectively connected with the triple line between motor Motor one be serially connected together with
High-voltage interlocking connector, connect on the positive extra high voltage cable of drive system between the electric machine controller MCU and PDU high-voltage cages
Have two high-voltage interlocking connectors for being each positioned at battery-end and high-voltage cage end, the electric machine controller MCU and PDU high-voltage cages it
Between GND high-tension cable on be also connected with two high-voltage interlocking connectors for being each positioned at battery-end and high-voltage cage end, and position
The connection status monitoring point of drive system high-tension cable is connected to after two high-voltage interlocking connectors series connection at high-voltage cage end；
It is connected on input cable between described Vehicular charger OBC and vehicle trickle charge socket on Vehicular charger end
One high-voltage interlocking connector；Vehicle-mounted charge generator terminal and high-voltage cage end point are each positioned on the output cable of the Vehicular charger OBC
A high-voltage interlocking connector is not connected with, is located at high-voltage cage respectively on the positive and negative extra high voltage cable of fast charge of the vehicle fast charge socket
End is connected with a high-voltage interlocking connector, and high pressure of the two high-voltage interlocking connectors with being located at high-voltage cage end on output cable
Interlocking connector connects the connection status monitoring point of charging system high-tension cable after being sequentially connected in series；
A high-voltage interlocking is respectively connected with described DC/DC converter both positive and negative polarity cables positioned at converter end and high-voltage cage end respectively
Connector；A high-voltage interlocking is also respectively connected with the AC air-conditionings both positive and negative polarity cable with high-voltage cage end positioned at air-conditioning end respectively to connect
Device；High-voltage interlocking company is also respectively connected with the ptc heater both positive and negative polarity cable positioned at heater terminal and high-voltage cage end respectively
Connect device；And high-voltage interlocking connector, AC air-conditionings both positive and negative polarity electricity on the DC/DC converters both positive and negative polarity cable positioned at high-voltage cage end
High pressure on cable positioned at high-voltage cage end on the high-voltage interlocking connector and ptc heater both positive and negative polarity cable at high-voltage cage end is mutual
Lock connector connects the connection status monitoring point of accessory system high-tension cable after mutually concatenating.
As preferred：Described high-voltage interlocking connector connects respective connection status respectively using a connecting cable
Monitoring point, and four connection status monitoring points are connected with described control unit, described high-voltage interlocking connector also has one
Piece-root grafting ground wire is connected by internal circuit with connecting cable.
A kind of monitoring method that electric automobile whole high-tension cable connection status is carried out using the monitoring interlock system, institute
The monitoring method stated is：Control unit detects each monitoring point low-voltage signal state being attached thereto in real time, if the monitoring of certain system
Point detects low-side signal, then illustrates that system cable connection is normal；If the monitoring point of certain system is not detected by low-side signal,
System cable connection is abnormal；Described cable respectively holds independent detection, and monitoring flow is walked alone execution, real-time report connection status.
It is a kind of to be carried out using the monitoring interlock system at the interlocking of electric automobile whole high-tension cable connection connection status
Reason method, described interlocking treatment method are：
When vehicle is in charge mode, connection status monitoring point and charging system high-tension electricity when electrokinetic cell system high-tension cable
When the connection status monitoring point of cable has the one or more to be not detected by low-side signal, illustrate that electrokinetic cell system, charging system are deposited
It is abnormal in cable connection, it should now terminate charging flow and report charge mode high-voltage interlocking failure；For driving in charge mode
System, accessory system only report warning as fault detect；
When vehicle is not at charge mode, it need to determine whether upper high pressure is in Ready states to vehicle；If it has been in
Ready states, and the connection status of the connection status monitoring point of electrokinetic cell system high-tension cable and drive system high-tension cable
When monitoring point detects low-side signal, illustrate electrokinetic cell system, that drive system has cable connection is normal, it is allowed to continue to drive
Sail pattern；If Ready states are in, but the connection status monitoring point of electrokinetic cell system high-tension cable and drive system high pressure
When the connection status monitoring point of cable has the one or more to be not detected by low-side signal, illustrate electrokinetic cell system, drive system
Cable connection exception be present, continuing driving has security risk, and now control unit performs drop and turns round instruction, when moment of torsion is less than certain value
Vehicle enters lower electric current journey afterwards；
Vehicle is not under charge mode and non-Ready states, and control unit detects the connection of electrokinetic cell system high-tension cable
Status monitoring point, the connection status monitoring point of drive system high-tension cable, charging system high-tension cable connection status monitoring point,
The low-voltage signal of the connection status monitoring point of accessory system high-tension cable, when four monitoring points detect low-side signal, explanation
High-voltage interlocking connection is normal, otherwise abnormal.
The present invention mainly has the advantage that relative to prior art：
（1）Cable, which departs from, to give warning in advance, and connection status is divided into full contact, that is, will be disengaged from and completely disengages three-level monitoring, power
Battery DC bus cable is alarmed in advance before departing from, in case control unit handles accordingly, avoids high-pressure system and equipment belt from carrying
Power-off, evades security risk；
（2）Accurate judgement cable connection trouble point, each connectivity port independent detection, when some or multiple ports come out connecting fault
When, failure judgement position can be prepared, facilitate trouble shoot and processing；
（3）Ensure that each system cable connection of electric automobile whole is safe and reliable by failure handling mechanisms.
The present invention is reasonable with structure composition, easy to use and reliable, and by selecting high-voltage interlocking connector, matching design is closed
The monitoring circuit of reason, the connection status of each system high pressure cable of electric automobile whole is monitored in real time, it is ensured that electric automobile whole is high
Voltage cable connection safety, improve electric automobile whole security performance the features such as.
Brief description of the drawings
Fig. 1 is electric automobile whole high-tension cable connection status monitoring circuit schematic diagram of the present invention.
Fig. 2 is the status monitoring schematic diagram of high-voltage interlocking connector of the present invention.
Fig. 3 is electric vehicle battery system cable connection state monitoring FB(flow block) of the present invention.
Fig. 4 is drive system of electric automobile cable connection state monitoring FB(flow block) of the present invention.
Fig. 5 is charging system for electric automobile cable connection state monitoring FB(flow block) of the present invention.
Fig. 6 is auxiliary system of electric automobile cable connection state monitoring FB(flow block) of the present invention.
Fig. 7 is electric automobile whole high-voltage interlocking treatment mechanism FB(flow block) of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail：Shown in Fig. 1, a kind of electric automobile of the present invention is whole
The monitoring interlock process system of overall height voltage cable connection status, the dynamic battery system 1 of described vehicle high-tension cable connection,
Charging system 2, drive system 3, accessory system 4 and the PDU high-voltage cages 5 as vehicle high voltage power distribution unit, the power electric
PACK batteries 6 in cell system 1 connect electrokinetic cell system high-tension cable by one group of electrokinetic cell high-voltage interlocking connector
Connection status monitoring point 7；
Described drive system 3 includes the power conversion unit as electric automobile（MCU）Electric machine controller 8 and conduct driving
(Motor) motor 9 of system actuator, described drive system 3 connect also by one group of drive system high-voltage interlocking
Device connects the connection status monitoring point 10 of drive system high-tension cable；
Described charging system 2 include the vehicle fast charge socket 11 as electric automobile and ground fast charge equipment docking port,
As the vehicle-mounted trickle charge equipment of electric automobile with the vehicle trickle charge socket 12 of land-based AC charge power supply docking port and as electronic
(OBC) Vehicular charger 13 of automobile trickle charge vehicle-mounted charging equipment, described charging system 2 is also by one group of charging system high pressure
Interlocking connector connects the connection status monitoring point 14 of charging system high-tension cable；
Described accessory system 4 includes power accumulator high-tension electricity being converted to the DC/DC converters 15 of vehicle low tension, included
The ptc heater 17 in AC air-conditionings 16 and electric automobile air-conditioning system the heating source of electric air compressor, described auxiliary
System 4 connects the connection status monitoring point 18 of accessory system high-tension cable also by one group of accessory system high-voltage interlocking connector；
One control unit 19 is by connecting connection status monitoring point 7, the drive system of described electrokinetic cell system high-tension cable
The connection status monitoring point 10 of high-tension cable, the connection status monitoring point 14 of charging system high-tension cable and accessory system high pressure
The connection status monitoring point 18 of cable, the voltage signal state of each monitoring point is detected in real time.
Shown in figure, it is connected with the anode high-tension cable 20 between described PACK batteries 6 and PDU high-voltage cages 5
Two high-voltage interlocking connectors 21,22 for being each positioned at battery-end and high-voltage cage end, the PACK batteries 6 and PDU high-voltage cages 5 it
Between GND high-tension cable 23 on be also connected with two high-voltage interlocking connectors 24 for being each positioned at battery-end and high-voltage cage end,
25, and it is connected to electrokinetic cell system high-tension cable after the series connection of two high-voltage interlocking connectors 22,25 at high-voltage cage end
Connection status monitoring point 7；
Described electric machine controller 8 be respectively connected with triple line U, V, W between motor 9 one be serially connected together with
High-voltage interlocking connector 26, connect on the positive extra high voltage cable 27 of drive system between the electric machine controller 8 and PDU high-voltage cages 5
Be connected to two and be each positioned at motor control terminal and the high-voltage interlocking connector 28,29 at high-voltage cage end, the electric machine controller 8 with
Two, which are also connected with, on drive system negative pole high-tension cable 30 between PDU high-voltage cages 5 is each positioned at motor control terminal and high-voltage cage
The high-voltage interlocking connector 31,32 at end, and it is connected to drive after the series connection of two high-voltage interlocking connectors 29,32 at high-voltage cage end
The connection status monitoring point 10 of dynamic system high pressure cable；
Positioned at phase on Vehicular charger end on input cable 33 between described Vehicular charger 13 and vehicle trickle charge socket 12
It is connected to a high-voltage interlocking connector 34；Vehicle-mounted charge generator terminal and high pressure are each positioned on the output cable 35 of the Vehicular charger 13
Box end is connected to a high-voltage interlocking connector 36,37, the positive and negative extra high voltage cable 38 of fast charge of the vehicle fast charge socket 11
It is upper to be connected with a high-voltage interlocking connector 39,40 positioned at high-voltage cage end respectively, and the two high-voltage interlocking connectors 39,40 with it is defeated
Go out on cable 35 positioned at high-voltage cage end high-voltage interlocking connector 37 be sequentially connected in series after connect charging system high-tension cable connection
Status monitoring point 14；
A high pressure is respectively connected with the described both positive and negative polarity cable 41 of DC/DC converters 15 positioned at converter end and high-voltage cage end respectively
Interlocking connector 42,43；One is also respectively connected with the AC air-conditionings both positive and negative polarity cable 44 positioned at air-conditioning end and high-voltage cage end respectively
High-voltage interlocking connector 45,46；It is also each positioned at heater terminal and high-voltage cage end respectively on the ptc heater both positive and negative polarity cable 47
It is connected with a high-voltage interlocking connector 48,49；And it is located at the height at high-voltage cage end on the both positive and negative polarity cable 41 of DC/DC converters 15
High-voltage interlocking connector 46 and PTC on pressure interlocking connector 43, the both positive and negative polarity cable 44 of AC air-conditionings 16 positioned at high-voltage cage end add
High-voltage interlocking connector 49 on the hot both positive and negative polarity cable 47 of device 17 positioned at high-voltage cage end connects accessory system high pressure after mutually concatenating
The connection status monitoring point 18 of cable.
Shown in Fig. 2, described high-voltage interlocking connector is structure identical, the connector with high-voltage interlocking, is used
A piece connecting cable 50 connects respective connection status monitoring point, and four connection status monitoring points and the control respectively
Unit 19 is connected, and described high-voltage interlocking connector also has a piece-root grafting ground wire 51 to be connected by internal circuit with connecting cable 50.
Described control unit is existing connection status using, can monitoring power cable, that is, is fully connected, part contacts（Will
Depart from）, completely disengage three kinds of states.
Described high-voltage interlocking, also refer to dangerous voltage interlocking loop, by using electric small-signal, to check whole high pressure
Product, wire, the electrical integrity of connector（Continuity）, when identification loop disconnects extremely, high-tension electricity is disconnected in time.
It is a kind of to carry out electric automobile whole high-tension cable connection status using the monitoring interlock system shown in Fig. 3-6
Monitoring method, described monitoring method are：Control unit detects each monitoring point low-voltage signal state being attached thereto in real time, if certain
The monitoring point of system detects low-side signal, then illustrates that system cable connection is normal；If the monitoring point of certain system is not detected by
Low-side signal, then system cable connection is abnormal；Described cable respectively holds independent detection, and monitoring flow is walked alone executions, it is real-time on
Report connection status.
It is a kind of to carry out electric automobile whole high-tension cable connection connection status using the monitoring interlock system shown in Fig. 7
Interlocking treatment method, described interlocking treatment method is：
When vehicle is in charge mode, connection status monitoring point 7 and charging system high pressure when electrokinetic cell system high-tension cable
When the connection status monitoring point 14 of cable has the one or more to be not detected by low-side signal, illustrate electrokinetic cell system, Charging
There is cable connection exception in system, should now terminate charging flow and report charge mode high-voltage interlocking failure；In charge mode for
Drive system, accessory system only report warning as fault detect；
When vehicle is not at charge mode, it need to determine whether upper high pressure is in Ready states to vehicle；If it has been in
Ready states, and the connection status of the connection status monitoring point 7 of electrokinetic cell system high-tension cable and drive system high-tension cable
When monitoring point 10 detects low-side signal, illustrate electrokinetic cell system, that drive system has cable connection is normal, it is allowed to continue
Driving model；If Ready states are in, but the connection status monitoring point 7 of electrokinetic cell system high-tension cable and drive system
When the connection status monitoring point 10 of high-tension cable has the one or more to be not detected by low-side signal, illustrate electrokinetic cell system, drive
There is cable connection exception in dynamic system, continuing driving has security risk, and now control unit performs drop and turns round instruction, when moment of torsion is less than
Vehicle enters lower electric current journey after certain value；
Vehicle is not under charge mode and non-Ready states, and control unit detects the connection of electrokinetic cell system high-tension cable
Status monitoring point 7, the connection status monitoring of the connection status monitoring point 10 of drive system high-tension cable, charging system high-tension cable
The low-voltage signal of the connection status monitoring point 18 of 14, accessory system high-tension cable is put, when four monitoring points detect that low side is believed
Number, illustrate that high-voltage interlocking connection is normal, it is otherwise abnormal.
Claims (5)
1. a kind of monitoring interlock process system of electric automobile whole high-tension cable connection status, described vehicle high-tension cable connects
The dynamic battery system that connects, charging system, drive system, accessory system and high as the PDU of vehicle high voltage power distribution unit
Press box, it is characterised in that the PACK batteries in the electrokinetic cell system are connected by one group of electrokinetic cell high-voltage interlocking connector
The connection status monitoring point of electrokinetic cell system high-tension cable；
Described drive system includes the electric machine controller MCU of the power conversion unit as electric automobile and as drive system
The motor Motor of executing agency, described drive system are driven also by one group of drive system high-voltage interlocking connector connection
The connection status monitoring point of dynamic system high pressure cable；
Described charging system is included as the vehicle fast charge socket of electric automobile and ground fast charge equipment docking port, conduct
The vehicle-mounted trickle charge equipment of electric automobile and the vehicle trickle charge socket and conduct electric automobile of land-based AC charge power supply docking port are slow
The Vehicular charger OBC of vehicle-mounted charging equipment is filled, described charging system is also by one group of charging system high-voltage interlocking connector
Connect the connection status monitoring point of charging system high-tension cable；
Described accessory system includes power accumulator high-tension electricity being converted to the DC/DC converters of vehicle low tension, comprising electricity
The AC air-conditionings of engine-driven air compressor and the ptc heater in the air-conditioning system heating source of electric automobile, described accessory system
The connection status monitoring point of accessory system high-tension cable is connected also by one group of accessory system high-voltage interlocking connector；
One control unit is by connecting connection status monitoring point, the drive system high pressure of described electrokinetic cell system high-tension cable
The company of the connection status monitoring point of cable, the connection status monitoring point of charging system high-tension cable and accessory system high-tension cable
Status monitoring point is connect, detects the voltage signal state of each monitoring point in real time.
2. the monitoring interlock process system of electric automobile whole high-tension cable connection status according to claim 1, it is special
Sign is that being connected with two on the anode high-tension cable between described PACK batteries and PDU high-voltage cages is each positioned at battery-end
With the high-voltage interlocking connector at high-voltage cage end, on the GND high-tension cable between the PACK batteries and PDU high-voltage cages
Also two high-voltage interlocking connectors for being each positioned at battery-end and high-voltage cage end are connected with, and two high pressures positioned at high-voltage cage end are mutual
The connection status monitoring point of electrokinetic cell system high-tension cable is connected to after lock connector series connection；
Described electric machine controller MCU be respectively connected with the triple line between motor Motor one be serially connected together with
High-voltage interlocking connector, connect on the positive extra high voltage cable of drive system between the electric machine controller MCU and PDU high-voltage cages
Have two high-voltage interlocking connectors for being each positioned at battery-end and high-voltage cage end, the electric machine controller MCU and PDU high-voltage cages it
Between GND high-tension cable on be also connected with two high-voltage interlocking connectors for being each positioned at battery-end and high-voltage cage end, and position
The connection status monitoring point of drive system high-tension cable is connected to after two high-voltage interlocking connectors series connection at high-voltage cage end；
It is connected on input cable between described Vehicular charger OBC and vehicle trickle charge socket on Vehicular charger end
One high-voltage interlocking connector；Vehicle-mounted charge generator terminal and high-voltage cage end point are each positioned on the output cable of the Vehicular charger OBC
A high-voltage interlocking connector is not connected with, is located at high-voltage cage respectively on the positive and negative extra high voltage cable of fast charge of the vehicle fast charge socket
End is connected with a high-voltage interlocking connector, and high pressure of the two high-voltage interlocking connectors with being located at high-voltage cage end on output cable
Interlocking connector connects the connection status monitoring point of charging system high-tension cable after being sequentially connected in series；
A high-voltage interlocking is respectively connected with described DC/DC converter both positive and negative polarity cables positioned at converter end and high-voltage cage end respectively
Connector；A high-voltage interlocking is also respectively connected with the AC air-conditionings both positive and negative polarity cable with high-voltage cage end positioned at air-conditioning end respectively to connect
Device；High-voltage interlocking company is also respectively connected with the ptc heater both positive and negative polarity cable positioned at heater terminal and high-voltage cage end respectively
Connect device；And high-voltage interlocking connector, AC air-conditionings both positive and negative polarity electricity on the DC/DC converters both positive and negative polarity cable positioned at high-voltage cage end
High pressure on cable positioned at high-voltage cage end on the high-voltage interlocking connector and ptc heater both positive and negative polarity cable at high-voltage cage end is mutual
Lock connector connects the connection status monitoring point of accessory system high-tension cable after mutually concatenating.
3. the monitoring interlock process system of electric automobile whole high-tension cable connection status according to claim 1 or 2, its
It is characterised by that described high-voltage interlocking connector connects respective connection status monitoring point respectively using a connecting cable, and
Four connection status monitoring points are connected with described control unit, and described high-voltage interlocking connector also has a piece-root grafting ground wire to lead to
Internal circuit is crossed to connect with connecting cable.
4. a kind of carry out electric automobile whole high-tension cable connection status using the monitoring interlock system of claim 1 or 2 or 3
Monitoring method, it is characterised in that described monitoring method is：Control unit detects each monitoring point low pressure being attached thereto in real time
Signal condition, if the monitoring point of certain system detects low-side signal, illustrate that system cable connection is normal；If the prison of certain system
Measuring point is not detected by low-side signal, then system cable connection is abnormal；Described cable respectively holds independent detection, and monitoring flow is walked alone
Perform, real-time report connection status.
5. a kind of carry out the connection connection of electric automobile whole high-tension cable using the monitoring interlock system of claim 1 or 2 or 3
The interlocking treatment method of state, it is characterised in that described interlocking treatment method is：
When vehicle is in charge mode, connection status monitoring point and charging system high-tension electricity when electrokinetic cell system high-tension cable
When the connection status monitoring point of cable has the one or more to be not detected by low-side signal, illustrate that electrokinetic cell system, charging system are deposited
It is abnormal in cable connection, it should now terminate charging flow and report charge mode high-voltage interlocking failure；For driving in charge mode
System, accessory system only report warning as fault detect；
When vehicle is not at charge mode, it need to determine whether upper high pressure is in Ready states to vehicle；If it has been in
Ready states, and the connection status of the connection status monitoring point of electrokinetic cell system high-tension cable and drive system high-tension cable
When monitoring point detects low-side signal, illustrate electrokinetic cell system, that drive system has cable connection is normal, it is allowed to continue to drive
Sail pattern；If Ready states are in, but the connection status monitoring point of electrokinetic cell system high-tension cable and drive system high pressure
When the connection status monitoring point of cable has the one or more to be not detected by low-side signal, illustrate electrokinetic cell system, drive system
Cable connection exception be present, continuing driving has security risk, and now control unit performs drop and turns round instruction, when moment of torsion is less than certain value
Vehicle enters lower electric current journey afterwards；
Vehicle is not under charge mode and non-Ready states, and control unit detects the connection of electrokinetic cell system high-tension cable
Status monitoring point, the connection status monitoring point of drive system high-tension cable, charging system high-tension cable connection status monitoring point,
The low-voltage signal of the connection status monitoring point of accessory system high-tension cable, when four monitoring points detect low-side signal, explanation
High-voltage interlocking connection is normal, otherwise abnormal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595859.5A CN107444128A (en) | 2017-07-20 | 2017-07-20 | The monitoring interlock process system and monitoring and interlocking treatment method of a kind of electric automobile whole high-tension cable connection status |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595859.5A CN107444128A (en) | 2017-07-20 | 2017-07-20 | The monitoring interlock process system and monitoring and interlocking treatment method of a kind of electric automobile whole high-tension cable connection status |
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| Publication Number | Publication Date |
|---|---|
| CN107444128A true CN107444128A (en) | 2017-12-08 |
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|---|---|---|---|
| CN201710595859.5A Withdrawn CN107444128A (en) | 2017-07-20 | 2017-07-20 | The monitoring interlock process system and monitoring and interlocking treatment method of a kind of electric automobile whole high-tension cable connection status |
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| CN (1) | CN107444128A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790827A (en) * | 2018-05-17 | 2018-11-13 | 铠龙东方汽车有限公司 | A kind of pure electric vehicle vehicle high-voltage interlocking control method |
| CN109572435A (en) * | 2018-12-11 | 2019-04-05 | 浙江零跑科技有限公司 | A kind of vehicle high-voltage interlock system and control method |
| CN110341482A (en) * | 2019-07-04 | 2019-10-18 | 武汉格罗夫氢能汽车有限公司 | One kind is constructed based on hydrogen energy source system high-voltage interlocking |
| CN110356236A (en) * | 2019-06-13 | 2019-10-22 | 浙江合众新能源汽车有限公司 | The pure electric automobile of pure electric automobile high-voltage interlocking system and application the high-voltage interlocking system |
| CN111532132A (en) * | 2019-01-21 | 2020-08-14 | 北京新能源汽车股份有限公司 | High-voltage interlocking detection device, processing method and automobile |
| CN111638467A (en) * | 2020-05-25 | 2020-09-08 | 中合动力（北京）新能源科技有限公司 | Method for identifying whether connection between detachable battery pack and external charging base is firm |
| CN113721126A (en) * | 2021-07-30 | 2021-11-30 | 浙江亚太智能网联汽车创新中心有限公司 | High-voltage interlocking method for distributed driving and circuit thereof |
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2017
- 2017-07-20 CN CN201710595859.5A patent/CN107444128A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790827A (en) * | 2018-05-17 | 2018-11-13 | 铠龙东方汽车有限公司 | A kind of pure electric vehicle vehicle high-voltage interlocking control method |
| CN109572435A (en) * | 2018-12-11 | 2019-04-05 | 浙江零跑科技有限公司 | A kind of vehicle high-voltage interlock system and control method |
| CN111532132A (en) * | 2019-01-21 | 2020-08-14 | 北京新能源汽车股份有限公司 | High-voltage interlocking detection device, processing method and automobile |
| CN110356236A (en) * | 2019-06-13 | 2019-10-22 | 浙江合众新能源汽车有限公司 | The pure electric automobile of pure electric automobile high-voltage interlocking system and application the high-voltage interlocking system |
| CN110341482A (en) * | 2019-07-04 | 2019-10-18 | 武汉格罗夫氢能汽车有限公司 | One kind is constructed based on hydrogen energy source system high-voltage interlocking |
| CN111638467A (en) * | 2020-05-25 | 2020-09-08 | 中合动力（北京）新能源科技有限公司 | Method for identifying whether connection between detachable battery pack and external charging base is firm |
| CN111638467B (en) * | 2020-05-25 | 2023-09-22 | 中合动力（北京）新能源科技有限公司 | Method for identifying whether connection between detachable battery pack and external charging base is firm |
| CN113721126A (en) * | 2021-07-30 | 2021-11-30 | 浙江亚太智能网联汽车创新中心有限公司 | High-voltage interlocking method for distributed driving and circuit thereof |
| CN113721126B (en) * | 2021-07-30 | 2024-10-01 | 浙江亚太智能网联汽车创新中心有限公司 | High-voltage interlocking method and circuit for distributed driving |
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Application publication date: 20171208 |